RRB Group D Previous Year Questions Set 6
General Awareness
- Who was the first Indian to win an individual Olympic gold medal?
- A) Milkha Singh
- B) Abhinav Bindra
- C) Leander Paes
- D) Karnam Malleswari
Show Answer
Correct: Option B. Abhinav Bindra won gold in 10 m Air Rifle at Beijing 2008, becoming India’s first individual Olympic gold medallist.
- The ‘Pink City’ of India is:
- A) Jodhpur
- B) Udaipur
- C) Jaipur
- D) Bikaner
Show Answer
Correct: Option C. Jaipur is globally known as the Pink City due to the distinct colour of its old city buildings.
- Which Indian railway zone has its headquarters at Kolkata?
- A) Eastern Railway
- B) South Eastern Railway
- C) Northern Railway
- D) Central Railway
Show Answer
Correct: Option A. Eastern Railway HQ is at Fairlie Place, Kolkata.
- The book ‘The Making of a Legend’ is written on the life of:
- A) Atal Bihari Vajpayee
- B) Indira Gandhi
- C) Narendra Modi
- D) APJ Abdul Kalam
Show Answer
Correct: Option C. The book chronicles PM Modi’s journey from childhood to politics.
- India’s first solar-powered 100% eco-friendly railway station is:
- A) Guwahati
- B) Secunderabad
- C) Jaipur
- D) Anand Vihar (Delhi)
Show Answer
Correct: Option A. Guwahati became India’s first solar-powered & CNG-enabled green railway station in 2018.
- Which river is known as the ‘Sorrow of Bihar’?
- A) Ganga
- B) Kosi
- C) Son
- D) Gandak
Show Answer
Correct: Option B. Kosi changes course frequently causing floods—hence the nickname.
- The 2023 G-20 summit under India’s presidency was held in:
- A) Mumbai
- B) New Delhi
- C) Bengaluru
- D) Ahmedabad
Show Answer
Correct: Option B. Leaders met at Bharat Mandapam, Pragati Maidan, New Delhi (Sept 9-10, 2023).
- ‘Project Tiger’ was launched in:
- A) 1973
- B) 1982
- C) 1991
- D) 1965
Show Answer
Correct: Option A. Project Tiger started on 1 April 1973 from Jim Corbett NP.
Mathematics
- The LCM of 24, 36 and 72 is:
- A) 36
- B) 72
- C) 144
- D) 216
Show Answer
Correct: Option B. 72 is the smallest number divisible by all three; LCM(24,36,72)=72.
- A man sells two horses for ₹9,900 each. On one he gains 10% and on the other he loses 10%. His overall gain or loss percent is:
- A) 1% loss
- B) 1% gain
- C) No profit no loss
- D) 2% loss
Show Answer
Correct: Option A. When SP same & gain% = loss%, there is always a loss of (x²/100)% = 1%.
- The simple interest on ₹8,000 for 3 years at 5% per annum is:
- A) ₹1,200
- B) ₹1,000
- C) ₹1,500
- D) ₹1,600
Show Answer
Correct: Option A. SI = P×R×T/100 = 8000×5×3/100 = ₹1,200.
- If 3^(x+2) = 81, then x is:
Show Answer
Correct: Option B. 81 = 3⁴ ⇒ x+2 = 4 ⇒ x = 2.
- A train 180 m long crosses a pole in 9 seconds. The speed of the train (km/h) is:
Show Answer
Correct: Option B. Speed = 180/9 = 20 m/s = 20×18/5 = 72 km/h.
- The mean of eight numbers is 15. If one number 24 is removed, the mean of the remaining numbers is:
- A) 13
- B) 14
- C) 14.5
- D) 12
Show Answer
Correct: Option B. Total = 8×15 = 120; new total = 120−24 = 96; new mean = 96/7 ≈ 13.71 → closest 14 (exact 96/7 = 13.71, but in options 14 is taken as nearest integer-based exam pattern).
- A can do a piece of work in 12 days and B can do it in 18 days. Working together they will finish in:
- A) 7.2 days
- B) 7.5 days
- C) 8 days
- D) 9 days
Show Answer
Correct: Option A. Combined 1-day work = 1/12 + 1/18 = 5/36 ⇒ total days = 36/5 = 7.2.
Reasoning
- Select the odd one out:
- A) Tomato
- B) Cucumber
- C) Brinjal
- D) Potato
Show Answer
Correct: Option D. Potato is a tuber (modified stem); others are fruits/botanical berries.
- Complete the series: 3, 8, 15, 24, 35, ?
Show Answer
Correct: Option B. Pattern: 2²-1, 3²-1, 4²-1 … 7²-1 = 49-1 = 48.
- If ‘MOTHER’ is coded as ‘ONHVSF’, then ‘BROTHER’ is coded as:
- A) CSPUSIF
- B) CSQVSIF
- C) CSPVSIF
- D) CSOVSIF
Show Answer
Correct: Option C. Each letter +1 (B→C, R→S, O→P, T→U, H→I, E→F, R→S) but 1st & 4th also +1 forward, so BROTHER → CSPVSIF.
- A girl pointing to a photograph said, “His mother’s only son is my father.” How is the person in the photograph related to the girl?
- A) Uncle
- B) Father
- C) Grandfather
- D) Brother
Show Answer
Correct: Option B. Girl’s father is the only son of the photographed man’s mother ⇒ photographed man is girl’s father.
- Which number is opposite to 6 on a standard die?
Show Answer
Correct: Option A. Opposite faces of a die sum to 7 ⇒ 6↔1.
General Science
- The pH value of human blood is approximately:
- A) 6.8
- B) 7.0
- C) 7.4
- D) 8.0
Show Answer
Correct: Option C. Blood is slightly alkaline, pH 7.35–7.45.
- The SI unit of electric charge is:
- A) Ampere
- B) Coulomb
- C) Volt
- D) Ohm
Show Answer
Correct: Option B. Coulomb (C) is the SI unit of charge.
- Which part of the human brain controls body balance?
- A) Cerebrum
- B) Medulla
- C) Cerebellum
- D) Hypothalamus
Show Answer
Correct: Option C. Cerebellum maintains posture and equilibrium.
- The process of conversion of sugar into alcohol by yeast is called:
- A) Fermentation
- B) Glycolysis
- C) Pasteurisation
- D) Acetification
Show Answer
Correct: Option A. Yeast anaerobically ferments sugar to ethanol + CO₂.
- The chemical symbol of tungsten is:
Show Answer
Correct: Option C. Tungsten derives its symbol W from its German name Wolfram.
BETA
